EP2226298B1 - Dispositif de sortie protégée des verreries creuses, en particulier pour machine de moulage de verreries creuses - Google Patents

Dispositif de sortie protégée des verreries creuses, en particulier pour machine de moulage de verreries creuses Download PDF

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Publication number
EP2226298B1
EP2226298B1 EP10155386A EP10155386A EP2226298B1 EP 2226298 B1 EP2226298 B1 EP 2226298B1 EP 10155386 A EP10155386 A EP 10155386A EP 10155386 A EP10155386 A EP 10155386A EP 2226298 B1 EP2226298 B1 EP 2226298B1
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EP
European Patent Office
Prior art keywords
arm
shaft
support
fitted
threaded rod
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Application number
EP10155386A
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German (de)
English (en)
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EP2226298A1 (fr
Inventor
Zdenko Kuz
Gianclaudio Borsarelli
Maurizio Barolo
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Bottero SpA
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Bottero SpA
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Publication of EP2226298A1 publication Critical patent/EP2226298A1/fr
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00—Blowing glass; Production of hollow glass articles
    • C03B9/30—Details of blowing glass; Use of materials for the moulds
    • C03B9/44—Means for discharging combined with glass-blowing machines, e.g. take-outs
    • C03B9/447—Means for the removal of glass articles from the blow-mould, e.g. take-outs

Definitions

  • the present invention relates to a protected so-called take-out device for hollow glassware, in particular for a hollow glassware molding machine.
  • a take-out device for glass bottle molding machines to transfer semifinished products from the pre-mold to the finish mold and/or the finished product (bottle) from the molding machine to a conveyor line, is known, for example, from GB2182297 , is normally supported by positioning means movable along three axes, and comprises a support with drive means; a first arm fitted in rotary manner to the support and rotated by the drive means; and a second arm hinged idly at an angle to the first and rotated synchronously with the first arm by a toothed belt-pulley mechanism housed inside the first arm and in turn operated by rotation of the first arm by means of a shaft coaxial with the first-arm rotation member, normally defined by a hollow shaft, but fitted immovably to the support.
  • the end of the second arm fitted with the grippers thus keeps the bottles vertical at all times as the first arm rotates about a horizontal axis.
  • a device of the type described may be subject to accidental collision with other nearby devices on the molding machine, e.g. pushers, cooling heads, collar arms, etc., which normally operate in strict synchronization with the take-out arm and along frequently interfering paths, but which, for various reasons or improper adjustment, may sometimes drift out of sync and collide with the take-out device.
  • other nearby devices on the molding machine e.g. pushers, cooling heads, collar arms, etc.
  • a protected hollow glassware take-out device in particular for a hollow glassware molding machine, as claimed in Claim 1.
  • the rotation member of the first arm is connected to the first arm indirectly via torque transmission means with a predetermined break load.
  • the controlled-yielding angular connecting means comprise preloaded elastic means and preload control means.
  • any shock to the device is therefore not transmitted to the kinematic mechanism controlling synchronous movement of the second arm, on account of the preloaded elastic means allowing, and also absorbing, a small amount of rotation of the shaft which, being stationary, operates the mechanism as a consequence of the rotation of the first arm.
  • the load allowing such rotation can be calibrated accurately and in such a manner it is high enough not to affect normal, i.e. shock-free, operation of the device, by normally keeping the shaft angularly stationary, as a matter of fact secured integrally to the support.
  • the torque transmission means with a predetermined break load comprise : an adapter ring bolted frontallyto the support and coaxial with the rotation member of the first arm, which comprises a hollow shaft fitted inside the support and rotated by the drive means; a sleeve bolted to and projecting from the first arm, perpendicularly to the laying plane of the first arm, and coaxial with the shaft, which is fitted idly inside the sleeve; and key means connecting the adapter ring angularly integral with the sleeve.
  • the sleeve is inserted coaxially inside the hollow shaft, through the adapter ring.
  • the shaft operating the kinematic mechanism controlling synchronous operation of the second arm is thus protected by the sleeve, and, in the event of severe shock, stress can be prevented from being transmitted to and damaging the hollow shaft and the drive means fitted to the support, by designing the key means to break in the event of severe shock. In which case, the machine need only be stopped for a very short period to replace the key means and possibly also the adapter ring, if this is deformed.
  • number 1 indicates a protected take-out device for hollow glassware, e.g. bottles, and in particular for a known molding machine, not shown for the sake of simplicity.
  • Device 1 the overall design of which is known, comprises a support 3 or so-called gearbox, equipped with known drive means 4; a known first arm 5, which is fitted in rotary manner to and projects from support 3, is connected in known manner (not shown for the sake of simplicity) to drive means 4, and is rotated by drive means 4 with respect to support 3 about a horizontal axis A; and a second arm 6, which is equipped with known grippers 7, and is fitted in rotary manner to and projects from first arm 5.
  • Device 1 also comprises known means, indicated as a whole by 10, for rotating arm 6 synchronously with respect to arm 5, and which are housed mostly inside arm 5, and in turn comprise a shaft 11 ( Figures 2 , 3 ); and a kinematic mechanism 14 fitted to arm 5 and connecting shaft 11 to a member 15 for rotating arm 6 and also fitted to arm 5.
  • Shaft 11 is coaxial with a member 12 ( Figures 2 , 4 ) for rotating arm 5, and consisting in a hollow tubular shaft housed idly inside support 3 by means of bearings 13, and connected mechanically in known manner (not shown) to drive means 4.
  • Shaft 11 is connected at one end to support 3, and at the opposite end to arm 5. More specifically, one end 20 ( Figure 2 ) is bolted to the body of arm 5, and the opposite end 21 is connected to support 3 as described below.
  • controlled-yielding angular connecting means 25 are located between end 21 of shaft 11 and support 3, to mechanically connect the former to the latter.
  • connecting means 25 comprise preloaded elastic means 26; and preload control means indicated as a whole by 27 ( Figure 5 ).
  • controlled-yielding angular connecting means 25 comprise end 21 of shaft 11, which is prismatic; a lever 31 connected angularly integral with, and projecting radially from, end 21 of shaft 11; a threaded rod 32, a first end 33 of which is screwed transversely through a bushing 34 fitted idly to lever 31; a shoulder element 35 of support 3; and elastic means 26.
  • end 21 projects axially from a through hole 30 ( Figure 4 ) in support 3, in which shaft 11 is fitted idly and in fluidtight manner, on the opposite side to arm 5 ( Figure 2 ).
  • Bushing 34 is hinged - so as to rotate freely about its axis, perpendicular to rod 32 - to a fork-shaped free end 36 of lever 31, and has a threaded transverse hole 37 in which end 33 may screw/unscrew.
  • a seat 38 ( Figure 5 ) extends through shoulder element 35 of support 3 to axially house in a through manner threaded rod 32; seat 38 is normally coaxial with hole 37 (when bushing 34 is not rotated), and is perpendicular to axis A, which coincides with both the axis of symmetry and rotation of shaft 11, and the axis of symmetry and rotation of hollow shaft 12.
  • Elastic means 26 are fitted to a smooth (i.e. threadless) second end 40 of threaded rod 32, opposite end 33 and projecting from shoulder element 35, on the opposite side to bushing 34, and are packed between a prismatic end head 41 on end 40 of rod 32, and a surface 44 ( Figure 5 ) of shoulder element 35 facing head 41.
  • elastic means 26 comprise a pack of disk springs packed tightly between surface 44 and end head 41 on end 40 of rod 32; and surface 44 is spherical and cooperates with the pack of disk springs defining elastic means 26 with the interposition of a washer 45, which has a spherical surface mating and cooperating with that of shoulder element 35, and is fitted in sliding manner to the smooth end 40 of threaded rod 32.
  • rod 32 is fitted with axial stop means located on the opposite side to surface 44 and comprising a washer 50, which also has a spherical surface 52, but facing the opposite way to surface 44; and a threaded bushing 51 screwed to threaded rod 32 and having a spherical surface which cooperates with surface 52 to lock washer 50 axially.
  • axial stop means located on the opposite side to surface 44 and comprising a washer 50, which also has a spherical surface 52, but facing the opposite way to surface 44; and a threaded bushing 51 screwed to threaded rod 32 and having a spherical surface which cooperates with surface 52 to lock washer 50 axially.
  • washer 50 cooperates with shoulder element 35 of support 3, on the opposite side to head 41 of rod 32, to prevent elastic means 26 from rotating lever 31, together with shaft 11, anticlockwise ( Figure 5 ).
  • This "zero" position corresponds to the normal stationary operating position of shaft 11, and can be fine-adjusted by screwing or unscrewing bushing 51 on rod 32.
  • rod 32 is preferably fitted, close to end 33, with a flange 55 ( Figure 5 ) screwed to rod 32 and facing a washer 56 adjacent to a surface 57 of fork-shaped end 36 of lever 31; and second elastic means 58, also comprising a tight pack of disk springs, are packed tightly between flange 55 and washer 56 to press washer 56 against surface 57, which is curved with a radius of curvature centred at an axis B of rotation of bushing 34.
  • the pack of elastic means 58 serves to take up any slack between surface 57 of lever 31 and the surface of washer 56, by keeping the surface of washer 56 pressed at all times against surface 57. This ensures immediate response when adjusting the angular position of arm 5 with respect to support 3, by unscrewing screw 62 and rotating lever 31 on prismatic end 21 of shaft 11.
  • Surface 57 being curved, the pack of springs 58 is compressed uniformly, so the operator need only apply constant force (neither increasing nor decreasing) to centre the position of the arm.
  • lever 31 At the opposite end to fork-shaped end 36, lever 31 has a U-shaped end 60 fitted to prismatic end 21 of shaft 11 and locked to it by screw 62 fitted transversely through U-shaped end 60 ( Figure 5 ).
  • the rotation member or hollow shaft 12 of arm 5 is connected to arm 5 indirectly via torque transmission means 70 ( Figure 2 ) with a predetermined break load.
  • means 70 comprise an adapter ring 71 bolted to the front of the support and coaxial with hollow shaft 12 ( Figure 4 ); a sleeve 72 bolted to and projecting from arm 5, perpendicularly to the plane of arm 5, and coaxial with shaft 11, which is fitted idly inside sleeve 72 by means of a bearing 73; and key means 74, 75 ( Figures 3, 4 ) connecting the front of adapter ring 71 angularly integral with sleeve 72.
  • Sleeve 72 ( Figure 2 ) is inserted coaxially inside hollow shaft 12 through adapter ring 71, and is locked axially and coaxially at the front against adapter ring 71 by at least one screw 78 parallel to hollow shaft 12 and fitted through a lug 79 on sleeve 72, close to one of the key slots 75 formed on the front of a mounting flange 80 of sleeve 72.
  • the front of adapter ring 71 has respective projecting, integral keys 74 ( Figure 4 ) formed in diametrically opposite positions, and only one of which is shown in the drawing.
  • shaft 15 (and, therefore, mechanism 14) is subjected to a torque C (shown by the arrow in Figure 1 ), which corresponds to torsional stress T (indicated by the arrow) on shaft 11, and, via lever 31, to axial stress S (indicated by the arrow in Figure 1 ) on rod 32.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Insulated Conductors (AREA)
  • Insulating Bodies (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Transmission Devices (AREA)

Claims (10)

  1. Dispositif d'extraction d'objets en verre creux protégé (1), en particulier pour une machine à mouler le verre creux, comprenant un support (3) équipé de moyens d'entraînement (4) ; un premier bras (5) monté rotatif sur le support et faisant saillie sur le support, et qui est relié aux moyens d'entraînement et mis en rotation par ces derniers par rapport au support ; un second bras (6) équipé de pinces (7), qui est monté rotatif sur le premier bras et fait saillie sur celui-ci ; et des moyens (10) destinés à faire tourner le second bras en synchronisme par rapport au premier, et comprenant à leur tour un arbre (11), lequel est coaxial à un élément de rotation (12) du premier bras (5) et est fixé au support (3) à une extrémité (21) et au premier bras 5) à l'extrémité opposée (20) ; et un mécanisme cinématique (14) porté par le premier bras et reliant l'arbre à un élément de rotation (15) du second bras ; et des moyens de liaison angulaire à élasticité commandée (25) placés entre l'arbre (11) et le support (3),
    caractérisé en ce que lesdits moyens de liaison angulaire à élasticité commandée (25) comprennent : une première extrémité prismatique (21) dudit arbre (13), qui émerge axialement d'un trou débouchant (30) du support (3) dans lequel l'arbre (11) est monté fou et à joint étanche aux fluides sur le côté à l'opposé du premier bras (5) ; un levier (31) relié solidairement en mouvement angulaire à ladite première extrémité (21) de l'arbre et qui fait saillie radialement sur cette extrémité ; une tige filetée (32) dont une première extrémité (33) est vissée transversalement à travers une douille (34) montée folle sur une extrémité libre en forme de fourche (36) du levier (31) ; un élément à épaulement (35) du support (3), à travers lequel une embase (38) s'étend perpendiculairement à l'axe de l'arbre (11), est montée en travers de la tige filetée (32) et reçoit axialement cette dernière; et des moyens élastiques (36), qui sont montés sur une seconde extrémité (40) de la tige filetée (32), à l'opposé de la première extrémité et qui font saillie sur l'élément à épaulement (35), sur le côté à l'opposé de ladite douille (34) et sont empilés entre une tête d'extrémité (41) située sur la seconde extrémité (40) de la tige filetée et une surface (44) de l'élément support (35) qui est en regard de l'extrémité de tête ; des moyens formant butée axiale (50, 52) étant prévus sur la tige filetée (32), sur le côté à l'opposé de ladite surface (44), et coopérant avec l'élément à épaulement (35) du support, sur le côté à l'opposé de ladite tête d'extrémité (41) de la tige filetée.
  2. Dispositif selon la revendication 1, caractérisé en ce que lesdits moyens de liaison angulaire à élasticité commandée (25) comprennent des moyens élastiques précontraints (26) et des moyens de commande précontraints (27).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que lesdits moyens élastiques (26) comprennent une pile de ressorts disques empilés étroitement entre ladite extrémité de tête (41) située sur la seconde extrémité (40) de la tige filetée (32) et ladite surface (44) de l'élément à épaulement (35) qui est en regard de la tête d'extrémité.
  4. Dispositif selon la revendication 1 ou 3, caractérisé en ce que ladite surface (44) de l'élément à épaulement (35) qui est en regard de la tête d'extrémité de la tige filetée est sphérique ; une rondelle (45) étant interposée entre lesdits moyens élastiques (26) et ladite surface sphérique (44), ayant une surface sphérique qui s'accouple et coopère avec celle de l'élément à épaulement (35) et étant montée coulissante sur la tige filetée (32).
  5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que ladite tige filetée (32) est dotée, à proximité de ladite première extrémité (33), d'une collerette (55) vissée sur la tige filetée et en regard d'une seconde rondelle (56) adjacente à une surface (57) de l'extrémité en forme de fourche (36) dudit levier (31) ; des seconds moyens élastiques (58) étant empilés étroitement entre ladite collerette (55) et ladite seconde rondelle (56) pour presser la seconde rondelle (56) contre la surface (57) de l'extrémité en forme de fourche.
  6. Dispositif selon la revendication (5), caractérisé en ce que ladite surface (57) de l'extrémité en forme de fourche est une surface circulaire courbe possédant un rayon de courbure centré sur un axe de rotation (B) de la douille (30), de sorte que lesdits seconds moyens élastiques, définis par une pile de ressorts disques (58), sont comprimées uniformément en permanence, en permettant ainsi à un utilisateur d'agir sur ledit premier bras (5) avec une force constante (ni croissante ni décroissante) pour régler la position angulaire du premier bras (5), et donc celle du second bras (6) par rapport au support (3).
  7. Dispositif selon une des revendications 1 à 6, caractérisé en ce que, à l'extrémité à l'opposé de l'extrémité en forme de fourche (36), ledit levier (31) possède une extrémité en forme de U (60) emmanchée sur la première extrémité prismatique (21) de l'arbre (11) et verrouillée sur celle-ci par une vis (62) montée transversalement à travers l'extrémité en forme de U.
  8. Dispositif selon une quelconque des revendications précédentes, caractérisé en ce que l'élément de rotation (12) du premier bras (5) est relié à ce bras, indirectement par l'intermédiaire de moyens de transmission du couple (70) à charge de rupture prédéterminée.
  9. Dispositif selon la revendication 8, caractérisé en ce que lesdits moyens de transmission du couple (70) à charge de rupture prédéterminée comprennent - une bague formant adaptateur (71) fixée par vissage sur l'avant du support et coaxiale à l'élément de rotation (12) du premier bras (5), lequel comprend un arbre creux monté à l'intérieur du support (3) et entraîné en rotation par les moyens d'entraînement (4) ; un manchon (72), qui est fixé par vissage sur le premier bras (5) et qui fait saillie sur celui-ci, perpendiculairement au plan de situation du premier bras, qui est coaxial audit arbre (11) monté fou à l'intérieur du manchon, et qui est inséré axialement à l'intérieur dudit arbre creux (12) à travers ladite bague formant adaptateur (71) ; et des moyens formant clavette (74,75) qui relient ladite bague formant adaptateur (71) solidairement au manchon (72) en mouvement angulaire.
  10. Dispositif selon la revendication 9, caractérisé en ce que ledit manchon (72) est verrouillé axialement et coaxialement à l'avant à la bague formant adaptateur (71) par au moins une vis (78) parallèlement à l'arbre creux (12).
EP10155386A 2009-03-03 2010-03-03 Dispositif de sortie protégée des verreries creuses, en particulier pour machine de moulage de verreries creuses Active EP2226298B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2009A000162A IT1393207B1 (it) 2009-03-03 2009-03-03 Dispositivo protetto di prelievo per articoli cavi in vetro, in particolare per una macchina di formatura per tali articoli

Publications (2)

Publication Number Publication Date
EP2226298A1 EP2226298A1 (fr) 2010-09-08
EP2226298B1 true EP2226298B1 (fr) 2011-11-02

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EP10155386A Active EP2226298B1 (fr) 2009-03-03 2010-03-03 Dispositif de sortie protégée des verreries creuses, en particulier pour machine de moulage de verreries creuses

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Country Link
US (1) US8286448B2 (fr)
EP (1) EP2226298B1 (fr)
AT (1) ATE531673T1 (fr)
IT (1) IT1393207B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110248738A1 (en) * 2010-04-12 2011-10-13 Sze Chak Tong Testing apparatus for electronic devices
FR3082126B1 (fr) * 2018-06-11 2022-10-28 Getinge La Calhene Systeme de transfert pour enceinte etanche comportant un dispositif de connexion etanche avec un volume clos

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1835579A (en) * 1926-06-22 1931-12-08 Hartford Empire Co Apparatus for handling glassware
US3401029A (en) * 1965-10-21 1968-09-10 Owens Illinois Inc Bottle forming apparatus
US3410417A (en) * 1965-10-23 1968-11-12 Anchor Hocking Glass Corp Article transferring means
US4244726A (en) * 1978-11-29 1981-01-13 Jr. Northup Apparatus for manufacturing glass bottles
US4298373A (en) * 1980-01-14 1981-11-03 Owens-Illinois, Inc. Apparatus for cushioning the motion of reciprocating members
US4325725A (en) * 1980-10-07 1982-04-20 Yamamura Glass Kabushiki Kaisha Apparatus for producing glass bottles
GB2093826B (en) * 1981-02-27 1984-05-16 Emhart Uk Ltd Take-out mechanism for a glassware forming machine
US4466821A (en) * 1982-12-22 1984-08-21 Owens-Illinois, Inc. Baffle moving and alignment means for the four gob glass forming machine
US4494973A (en) * 1983-06-06 1985-01-22 Owens-Illinois, Inc. Take-out arm for bottle forming machine
GB8526718D0 (en) * 1985-10-30 1985-12-04 Lattimer Ltd E R Tong arm assembly
US7073352B2 (en) * 2002-03-07 2006-07-11 Vitro Global, S.A. Method and a machine for the production of hollow glassware articles
US6722488B2 (en) * 2002-09-04 2004-04-20 Owens-Brockway Glass Container Inc. Method and apparatus for transferring articles in unison
US7309203B2 (en) * 2004-12-14 2007-12-18 Aidco International, Inc. Multi-modal container handling system
US7418834B2 (en) * 2005-04-18 2008-09-02 Poco Graphite, Inc. System, method, and apparatus for interchangeably accommodating both fixed and floating takeout inserts
ITTV20060057A1 (it) * 2006-04-04 2007-10-05 Oma Srl Apparecchiatura per la movimentazione di prodotti di tipo perfezionato.

Also Published As

Publication number Publication date
IT1393207B1 (it) 2012-04-11
EP2226298A1 (fr) 2010-09-08
ATE531673T1 (de) 2011-11-15
US8286448B2 (en) 2012-10-16
US20100223958A1 (en) 2010-09-09
ITTO20090162A1 (it) 2010-09-04

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